* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", system-ui, sans-serif;
}
body.dark {
  background: linear-gradient(135deg, #020617, #0f172a);
  color: #e5e7eb;
}
body.light {
  background: #f8fafc;
  color: #0f172a;
}
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 18px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(2,6,23,0.85);
  backdrop-filter: blur(10px);
}
body.light .navbar {
  background: #ffffff;
}
.nav-links a {
  margin-left: 25px;
  text-decoration: none;
  font-weight: 500;
  color: inherit;
}
.toggles button {
  margin-left: 10px;
  padding: 6px 10px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
}
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10%;
}
.hero-left {
  max-width: 55%;
}
.hero-left h2 {
  font-size: 48px;
}
.hero-left p {
  margin: 20px 0 35px;
  opacity: 0.85;
}
.hero-right img {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  border: 6px solid #38bdf8;
  box-shadow: 0 0 40px rgba(56,189,248,0.45);
}
.btn {
  padding: 14px 30px;
  border-radius: 40px;
  text-decoration: none;
  font-weight: 600;
}
.btn.primary {
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  color: #fff;
}
.btn.whatsapp {
  background: #22c55e;
  color: #fff;
}
.offered {
  padding: 80px 10%;
  text-align: center;
}
.class-buttons button {
  padding: 14px 28px;
  margin: 10px;
  border-radius: 16px;
  border: 1px solid transparent;
  cursor: pointer;
  background: #1e293b;
  color: #fff;
  font-weight: 600;
  transition: all 0.3s ease;
}
.class-buttons button:hover {
  background: #2563eb;
  box-shadow: 0 0 20px rgba(56,189,248,0.5);
  transform: translateY(-3px);
}
.class-buttons button.active {
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  box-shadow: 0 0 25px rgba(56,189,248,0.8);
  border-color: #38bdf8;
}

body.light .class-buttons button {
  background: #e5e7eb;
  color: #000;
}
.result-box {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.column {
  padding: 30px;
  border-radius: 22px;
  background: rgba(255,255,255,0.06);
  transition: all 0.35s ease;
  border: 1px solid transparent;
}
.column:hover {
  border-color: #38bdf8;
  box-shadow: 0 0 30px rgba(56,189,248,0.45);
  transform: translateY(-6px);
}
.column:hover h3 {
  color: #38bdf8;
}

body.light .column {
  background: #ffffff;
}
.about, .contact {
  padding: 80px 12%;
  text-align: center;
}
.footer {
  padding: 25px;
  text-align: center;
}
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }
  .hero-left {
    max-width: 100%;
  }
  .hero-right img {
    margin-top: 30px;
  }
  .result-box {
    grid-template-columns: 1fr;
  }
}
.about {
  padding: 90px 12%;
  text-align: center;
}
.about p {
  max-width: 900px;
  margin: 15px auto 40px;
  opacity: 0.85;
}
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
}
.about-card {
  background: rgba(255,255,255,0.06);
  padding: 28px;
  border-radius: 20px;
  transition: all 0.35s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
body.light .about-card {
  background: #ffffff;
}
.about-card:hover {
  border-color: #38bdf8;
  box-shadow: 0 0 25px rgba(56,189,248,0.45);
  transform: translateY(-8px) scale(1.02);
}
.about-card h3 {
  margin-bottom: 12px;
  font-size: 18px;
  transition: color 0.3s;
}
.about-card:hover h3 {
  color: #38bdf8;
}
.teacher-profile {
  margin: 40px auto 60px;
  text-align: center;
}
.teacher-profile img {
  width: 240px;
  height: 240px;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid #38bdf8;
  box-shadow: 0 0 35px rgba(56,189,248,0.45);
}
.teacher-profile h4 {
  margin-top: 15px;
  font-size: 18px;
  color: #38bdf8;
}
.teacher-profile p {
  font-size: 16px;
  opacity: 0.9;
}
.contact {
  padding: 90px 10%;
  text-align: center;
}
.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 25px;
  margin: 40px 0;
}
.contact-card {
  background: rgba(255,255,255,0.06);
  padding: 25px;
  border-radius: 18px;
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
  border: 1px solid transparent;
}
.contact-card:hover {
  border-color: #38bdf8;
  box-shadow: 0 0 30px rgba(56,189,248,0.45);
  transform: translateY(-6px);
}
.enquiry-box {
  max-width: 420px;
  margin: 50px auto 0;
  background: rgba(255,255,255,0.06);
  padding: 30px;
  border-radius: 20px;
}
.enquiry-box input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border-radius: 10px;
  border: none;
  outline: none;
}
.footer p a {
  color: #38bdf8 !important;
  text-decoration: none !important;
  font-weight: 600 !important;
}
.footer p a:hover {
  color: #2563eb !important;
  text-decoration: underline !important;
}
.brand-text {
  color: #38bdf8;
  font-size: 24px;
  font-weight: 800;
  position: relative;
}
.brand-text::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 3px;
  background: #38bdf8;
  transition: 0.4s;
}
.brand-text:hover::after {
  width: 100%;
}
.brand {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.brand-main {
  color: #e5e7eb;
}
.brand-highlight {
  color: #38bdf8;
  margin: 0 4px;
}
.brand-sub {
  color: #cbd5f5;
  font-weight: 700;
}
body.light .brand-main {
  color: #020617;
}
body.light .brand-sub {
  color: #334155;
}
.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
}
.site-logo {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #38bdf8;
  background: #ffffff;
}
.logo-text .tagline {
  font-size: 12px;
  opacity: 0.8;
  display: block;
  margin-top: 2px;
}
.btn {
  transition: all 0.3s ease;
}
.btn.primary:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.8);
}
.btn.whatsapp:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 0 25px rgba(34, 197, 94, 0.9);
}
.btn:active {
  transform: scale(0.95);
}
.hero a.btn:first-child {
  margin-right: 18px;
}
.nav-links a {
  position: relative;
  padding: 6px 2px;
  transition: color 0.3s ease;
}
.nav-links a:hover {
  color: #38bdf8;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: #38bdf8;
  transition: width 0.3s ease;
}
.nav-links a:hover::after {
  width: 100%;
}
.nav-links a.active {
  color: #38bdf8;
  font-weight: 600;
}
.nav-links a.active::after {
  width: 100%;
}
.hero-buttons {
  display: flex;
  gap: 16px;
}
@media (max-width: 768px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 90%;
    max-width: 320px;
    text-align: center;
  }
}
.classes-video {
  margin-top: 40px;
  display: flex;
  justify-content: center;
}

.classes-video video {
  width: 90%;
  max-width: 720px;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.map-section {
  margin: 50px auto;
  display: flex;
  justify-content: center;
  width: 100%;
}

.map-section iframe {
  width: 95%;
  max-width: 500px;
  height: 280px;
  border: none;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}
.teachers-wrapper {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap; 
  margin: 30px 0;
}
.teacher-profile {
  text-align: center;
  max-width: 250px;
}
.teacher-profile img {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid #38bdf8;
  box-shadow: 0 0 35px rgba(56,189,248,0.5);
}